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根据莫斯科李哈乔夫汽车厂与汽车工艺科学研究所共同研究的结果,设计了一种用热滚压方法来形成从动圆锥齿轮齿部的新方法,制成了一些滚齿机,并在制造??-157型汽车主传动装置的螺旋圆锥齿轮中推行了这种制造工艺. 采用这种形成齿部的新方法时,毛坯用高频电流加热,使其表面层达到塑性状态.然后用具有圆锥齿轮形状的滚齿工具使加热了的毛坯依次进行局部变形(形成齿部),并在滚齿工具和毛坯连续不断啮合的过程中使毛坯滚光.
According to the results of a joint study conducted by the Moscow Leehachov Automobile Works and the Institute of Automotive Process Science, a new method for forming the teeth of a driven bevel gear with a hot rolling method was designed, and some hobbing machines were made, This type of manufacturing process was carried out in a helical bevel gear of the -157 main transmission.When this new method of forming a tooth was used, the blank was heated by a high-frequency current to bring the surface layer to a plastic state, The hob-shaped hobbing tool locally deforms the heated blanks (forming the teeth) and rolls the blanks during continuous gear hobbing and blank engagement.